blob: 7bf2bed22923468540b966bb8b28dad787c39e32 [file] [log] [blame]
Kevin O'Connor01a85202009-10-18 09:49:59 -04001#ifndef __SMBIOS_H
2#define __SMBIOS_H
3
4// smbios.c
5void smbios_init(void);
6
7/* SMBIOS entry point -- must be written to a 16-bit aligned address
8 between 0xf0000 and 0xfffff.
9 */
10struct smbios_entry_point {
11 char anchor_string[4];
12 u8 checksum;
13 u8 length;
14 u8 smbios_major_version;
15 u8 smbios_minor_version;
16 u16 max_structure_size;
17 u8 entry_point_revision;
18 u8 formatted_area[5];
19 char intermediate_anchor_string[5];
20 u8 intermediate_checksum;
21 u16 structure_table_length;
22 u32 structure_table_address;
23 u16 number_of_structures;
24 u8 smbios_bcd_revision;
25} PACKED;
26
27/* This goes at the beginning of every SMBIOS structure. */
28struct smbios_structure_header {
29 u8 type;
30 u8 length;
31 u16 handle;
32} PACKED;
33
34/* SMBIOS type 0 - BIOS Information */
35struct smbios_type_0 {
36 struct smbios_structure_header header;
37 u8 vendor_str;
38 u8 bios_version_str;
39 u16 bios_starting_address_segment;
40 u8 bios_release_date_str;
41 u8 bios_rom_size;
42 u8 bios_characteristics[8];
43 u8 bios_characteristics_extension_bytes[2];
44 u8 system_bios_major_release;
45 u8 system_bios_minor_release;
46 u8 embedded_controller_major_release;
47 u8 embedded_controller_minor_release;
48} PACKED;
49
50/* SMBIOS type 1 - System Information */
51struct smbios_type_1 {
52 struct smbios_structure_header header;
53 u8 manufacturer_str;
54 u8 product_name_str;
55 u8 version_str;
56 u8 serial_number_str;
57 u8 uuid[16];
58 u8 wake_up_type;
59 u8 sku_number_str;
60 u8 family_str;
61} PACKED;
62
63/* SMBIOS type 3 - System Enclosure (v2.3) */
64struct smbios_type_3 {
65 struct smbios_structure_header header;
66 u8 manufacturer_str;
67 u8 type;
68 u8 version_str;
69 u8 serial_number_str;
70 u8 asset_tag_number_str;
71 u8 boot_up_state;
72 u8 power_supply_state;
73 u8 thermal_state;
74 u8 security_status;
75 u32 oem_defined;
76 u8 height;
77 u8 number_of_power_cords;
78 u8 contained_element_count;
79 // contained elements follow
80} PACKED;
81
82/* SMBIOS type 4 - Processor Information (v2.0) */
83struct smbios_type_4 {
84 struct smbios_structure_header header;
85 u8 socket_designation_str;
86 u8 processor_type;
87 u8 processor_family;
88 u8 processor_manufacturer_str;
89 u32 processor_id[2];
90 u8 processor_version_str;
91 u8 voltage;
92 u16 external_clock;
93 u16 max_speed;
94 u16 current_speed;
95 u8 status;
96 u8 processor_upgrade;
97 u16 l1_cache_handle;
98 u16 l2_cache_handle;
99 u16 l3_cache_handle;
100} PACKED;
101
102/* SMBIOS type 16 - Physical Memory Array
103 * Associated with one type 17 (Memory Device).
104 */
105struct smbios_type_16 {
106 struct smbios_structure_header header;
107 u8 location;
108 u8 use;
109 u8 error_correction;
110 u32 maximum_capacity;
111 u16 memory_error_information_handle;
112 u16 number_of_memory_devices;
113} PACKED;
114
115/* SMBIOS type 17 - Memory Device
116 * Associated with one type 19
117 */
118struct smbios_type_17 {
119 struct smbios_structure_header header;
120 u16 physical_memory_array_handle;
121 u16 memory_error_information_handle;
122 u16 total_width;
123 u16 data_width;
124 u16 size;
125 u8 form_factor;
126 u8 device_set;
127 u8 device_locator_str;
128 u8 bank_locator_str;
129 u8 memory_type;
130 u16 type_detail;
131} PACKED;
132
133/* SMBIOS type 19 - Memory Array Mapped Address */
134struct smbios_type_19 {
135 struct smbios_structure_header header;
136 u32 starting_address;
137 u32 ending_address;
138 u16 memory_array_handle;
139 u8 partition_width;
140} PACKED;
141
142/* SMBIOS type 20 - Memory Device Mapped Address */
143struct smbios_type_20 {
144 struct smbios_structure_header header;
145 u32 starting_address;
146 u32 ending_address;
147 u16 memory_device_handle;
148 u16 memory_array_mapped_address_handle;
149 u8 partition_row_position;
150 u8 interleave_position;
151 u8 interleaved_data_depth;
152} PACKED;
153
154/* SMBIOS type 32 - System Boot Information */
155struct smbios_type_32 {
156 struct smbios_structure_header header;
157 u8 reserved[6];
158 u8 boot_status;
159} PACKED;
160
161/* SMBIOS type 127 -- End-of-table */
162struct smbios_type_127 {
163 struct smbios_structure_header header;
164} PACKED;
165
166#endif // smbios.h